Hi!
I want to choose part of the data. But it has a question.
attach(PIKO)
PIKO[1:5,]
code species dbh x y tag status branch
92 10142PIKO 38.9 6.05 12.81 10165 alive 0
109 10213PIKO 41.0 6.71 26.21 10202 alive 0
135 10222PIKO 48.3 18.98 21.28 10214
://www.med.kuleuven.be/biostat/
http://www.student.kuleuven.be/~m0390867/dimitris.htm
- Original Message -
From: zhang jian [EMAIL PROTECTED]
To: r-help r-help@stat.math.ethz.ch
Sent: Tuesday, April 18, 2006 4:45 PM
Subject: [R] what happen?
Hi!
I want to choose part of the data. But it has
zhang jian wrote:
* n=PIKO[status=snag,]
Error in [.data.frame(PIKO, status = snag, ) :
unused argument(s) (status ...)
= is the assignment operator, you should use == as in:
n=PIKO[status==snag,]
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LLama Gratis a
